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2008 Edna Mine Vegetation Sampling Report <br />• Table 3-1: Vegetation Cover Sample Population Adequacy Statistics: Moffat/West Ridge Non- <br />Moffat/West Ridge Non- <br />topsoiled BRU: (W/O Noxious <br />Topsoiled BRU <br />The Pittsburg & Midway Coal Mining Co <br />Edna Mine -Bond Release Sampling 2008 <br />Statistical Summary <br />Parameter Statistic <br />I n 1 30 1 <br />Total Vegetation Cover Mean (%) 44.3% <br />Var 165.8 <br />n,,,,,, t-stat 14.5 <br />Sample Adequacy Yes 1 <br />Table 3-2: Vegetation Cover t-Test: Moffat/West Ridge Non-Topsoiled BRU <br />• The Pittsburg & Midway Coal Mining Co. <br />Edna Mine - Bond Release Sampling Yr 2 of 2 <br />Total Vegetation Cover t-Test <br />MoffaUWest Ridge Non-topsoiled BRU VEGETATION PARAMETERS <br />Total Vegetation Cover <br />Mean 44.3 <br />Colorado: t-Test <br />t -0.865 <br />t-test statistic 1.313 <br />Reclamation Pass YES <br />• <br />Habitat Management, Inc. 3 December 12, 2008